Salts of active ingredients with polymeric counterions

Water-soluble polymeric salts of medicaments sparingly soluble in water consisting of a cationogenic medicament which, in uncharged form or as hydrochloride, has a solubility of less than 0.1% (m/m) in water, artificial intestinal juice or gastric juice, and an anionogenic water-soluble polymer havi...

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Bibliographic Details
Main Authors Guth, Felicitas, Kolter, Karl, Angel, Maximilian, Schiffter, Heiko Alexander
Format Patent
LanguageEnglish
Published 07.04.2020
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
HUMAN NECESSITIES
HYGIENE
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
MEDICAL OR VETERINARY SCIENCE
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:Water-soluble polymeric salts of medicaments sparingly soluble in water consisting of a cationogenic medicament which, in uncharged form or as hydrochloride, has a solubility of less than 0.1% (m/m) in water, artificial intestinal juice or gastric juice, and an anionogenic water-soluble polymer having a solubility in water of at least 5% (m/m) in the pH range of 1 to 13 and which is obtained by free-radically initiated polymerization of a monomer mixture of i) 70 to 90% by weight N-vinylpyrrolidone and ii) 10 to 30% by weight acrylic acid, wherein the sum total of i) and ii) corresponds to 100% by weight.
Bibliography:Application Number: US201615753186